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The Long Term Stable (LTS) Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains the JCA/JCE provider and low-level API for the BC LTS version 2.73.7 for Java 8 and later.

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#include "common.h"
#include 
#include 
#include 

void init_256(__m128i *rk, uint8_t *uk, bool enc) {
    _schedule_256(uk, rk);
    if (!enc) {
        _inv_256(rk);
    }
}

void init_192(__m128i *rk, uint8_t *uk, bool enc) {
    // Why? The key scheduler loads two 128 bit vectors, so we need to ensure
    // we have memory we can safely load from.
    uint8_t key[32] = {
            0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0};
    memcpy(key, uk, 24);
    _schedule_192(key, rk);
    memset(key, 0, 24);

    if (!enc) {
        _inv_192(rk);
    }
}

void init_128(__m128i *rk, uint8_t *uk, bool enc) {
    _schedule_128(uk, rk);
    if (!enc) {
        _inv_128(rk);
    }
}